/*
 *  Copyright 2011 yura.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */

package org.opu.db_vdumper.services;

import java.sql.SQLException;
import java.util.List;
import java.util.Map;
import org.opu.db_vdumper.domain.DColumn;
import org.opu.db_vdumper.domain.DTable;

/**
 *  Each method Can return empty list, but can't return null.
 * 
 * @author yura
 */
public interface DomainService {

    public void reinit() throws SQLException;

    public Map<DTable, Map<String, DColumn>> getColumns() throws SQLException;

    public Map<String, List<String>> getSchemas() throws SQLException;

    public Map<String, DTable> getTables() throws SQLException;

    public List<DTable> getAllDTables() throws SQLException;
}
